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Finding the Third Proportional to 70,070.06 and 108,705.80

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Solution

The third proportional to 70,070.06 and 108,705.80 is: 168,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.06 : 108,705.80 = 108,705.80 : x
  2. Step 2: Convert to fraction form
    70,070.06/108,705.80 = 108,705.80/x
  3. Step 3: Cross multiply
    70,070.06x = 108,705.80 × 108,705.80
  4. Step 4: Simplify right side
    70,070.06x = 11,816,950,274.23
  5. Step 5: Solve for x
    x = 11,816,950,274.23/70,070.06
  6. Step 6: Final answer
    x = 168,644.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.